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CVE-2014-1896
The (1) do_send and (2) do_recv functions in io.c in libvchan in Xen 4.2.x, 4.3.x, and 4.4-RC series allows local guests to cause a denial…
- 4.9MediumCVSS base score
- 0.54%Exploitation in 30 daysEPSS · top 54% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The (1) do_send and (2) do_recv functions in io.c in libvchan in Xen 4.2.x, 4.3.x, and 4.4-RC series allows local guests to cause a denial of service or possibly gain privileges via crafted xenstore ring indexes, which triggers a "read or write past the end of the ring."
Timeline
ID reserved
By mitre
- 53 days later
· 53 days later
Published
- 10 years later
· 10 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.9 | AV:A/AC:M/Au:S/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 0.54% · top 54% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.9.
Affected products
n/a
- affected n/a
References
6
- http://xenbits.xen.org/xsa/xsa86.patch (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://xenbits.xen.org/xsa/advisory-86.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2014:0373 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- GLSA-201407-03 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- [oss-security] 20140210 Xen Security Advisory 86 (CVE-2014-1896) - libvchan failure handling malicious ring indexes (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20140207 Re: Xen Security Advisory 84 - integer overflow in several XSM/Flask hypercalls (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2014-1958 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2014-1896)Record last updated .